Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT, Debt Extinguishment (Details)

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LONG-TERM DEBT, Debt Extinguishment (Details) (USD $)
3 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
May 31, 2010
December 2005 Senior Secured Credit Facility - Term loans [Member]
May 31, 2010
December 2005 Senior Secured Credit Facility - Revolving credit facility [Member]
May 31, 2010
Ticketmaster Senior Secured Credit Facility - Term loan A [Member]
Jan. 25, 2010
Ticketmaster Senior Secured Credit Facility - Term loan A [Member]
May 31, 2010
Ticketmaster Senior Secured Credit Facility - Term loan B [Member]
May 31, 2010
Ticketmaster Senior Secured Credit Facility - Revolving credit facility [Member]
Jan. 25, 2010
Ticketmaster Senior Secured Credit Facility - Revolving credit facility [Member]
Debt extinguishment [Abstract]                                    
Loss on extinguishment of debt $ 0 $ 0 $ 0 $ 0 $ 143,000 $ 0 $ 21,172,000 $ 0 $ 0 $ 21,315,000 $ 0              
Extinguishment of debt, amount                       550,000,000 285,000,000 100,000,000   350,000,000 200,000,000  
Interest rate description                       LIBOR plus 3.25% LIBOR plus 2.25% base rate plus an applicable margin   4.5% per annum plus LIBOR base rate plus an applicable margin  
Base rate, description                           The base rate was the greater of (i) the prime rate as quoted from time to time by JPMorgan Chase Bank, N.A. or (ii) the Federal Funds rate plus 0.5%     The base rate was the greater of (i) the prime rate as quoted from time to time by JPMorgan Chase Bank, N.A. or (ii) the Federal Funds rate plus 0.5%  
Basis spread on variable rate (in hundredths)                             0.50%      
Base rate (in hundredths)                                   2.50%
Converted the existing preferred stock of one of its subsidiaries with an aggregate liquidation preference $ 40,000,000               $ 40,000,000                  
Preferred stock accrued dividends per annum (in hundredths) 13.00%               13.00%